Question

If the perimeter of a equilateral triangle is 180 cm. Then its area will be

Answer 1

Answer:

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Answer 2

Answer:

900✓3 cm

Step-by-step explanation:

Perimeter of an equilateral triangle= 3a

180cm= 3a

a= 180/3

a= 60cm.

Area of an equilateral triangle= ✓3/4*a^2

Area= ✓3*(60)^2÷4

= ✓3* 3600/4

=✓3*900

=900✓3 cm

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